Home / 6,433.40-9,639.08-3,513.76

Finding the Fourth Proportional to 6,433.40, 9,639.08 and 3,513.76

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Solution

The fourth proportional to 6,433.40, 9,639.08 and 3,513.76 is: 5,264.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.40 : 9,639.08 = 3,513.76 : x
  2. Step 2: Convert to fraction form
    6,433.40/9,639.08 = 3,513.76/x
  3. Step 3: Cross multiply
    6,433.40x = 9,639.08 × 3,513.76
  4. Step 4: Simplify right side
    6,433.40x = 33,869,413.74
  5. Step 5: Solve for x
    x = 33,869,413.74/6,433.40
  6. Step 6: Final answer
    x = 5,264.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.